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York North
York North was a federal riding in Ontario, Canada, represented in the House of Commons of Canada in all thirty-seven parliaments from Confederation in 1867 until 2004. Its elimination in 2004 left Simcoe North as the only federal electoral district in Ontario to have been in continual existence since Canadian Confederation. Remarkably, York North's provincial counterpart similarly maintained continuous representation in the Legislative Assembly of Ontario in all thirty-eight Ontario parliaments between Confederation and 2007, and was the only provincial district to have maintained its continual existence after 1999.
York North was abolished by the 2003 redistribution process, and ceased to be in existence upon the dissolution of the 37th Parliament in May 2004. Its territory was redistributed to the new ridings of Newmarket—Aurora, Oak Ridges—Markham (only a small portion), and to the resurrected York—Simcoe (the vast rural portion), the riding previously replaced by York North in 1996. Its provincial counterpart was similarly abolished upon the dissolution of the 38th Ontario Parliament in June 2007.
The electoral district held a unique distinction for having two candidates from a single election declared elected, seated in parliament and unseated by court ruling before the term was over. Prior to the Supreme Court of Canada's February 2026 decision that invalidated the 1-vote election victory in Terreborne in the 2025 federal election, the ordeal stemming from York North's election in 1988 was the most recent federal contest to have been overturned for reasons other than a recount.
It was also among a small group of electoral districts that had been represented by a sitting prime minister, and even more still it is among just a small handful that had dealt its prime ministerial MP a local defeat.
While its final incarnation consisted mostly of the more rural area that lied actually in the northern portion of York Region, York North covered an collection of communities in the southern end of the region that are now commonly considered northern suburbs of the city of Toronto through much of the later half of the twenty century, such as Vaughan, Richmond Hill, Woodbridge, Stouffville and Markham. Its territory even reached into the modern City of Toronto for two periods, with a portion of the former township of North York being part of the riding in four general elections.
At Canadian Confederation, the British North America Act, 1867 specified the eight-two electoral districts to be contested for electing the first group of legislator to both the House of Commons and the provincial legislature. By virtue of the size of its population, the County of York was allocated three seats, one of four counties to have the right to elected three members. Its original boundary was however not defined by the BNA, which simply prescribed that the County of York 's three existing electoral districts from the pre-confederation colonial legislature, the Legislative Assembly of the Province of Canada, would continue. The three York electoral districts were previously defined in 1853 (which actually removed one of York's four ridings to create the new district of Peel), with York North covering the Township of King, Whitchurch, Georgina, East Gwillimbury and North Gwillimbury and the associated villages of Aurora, Newmarket and Holland Landing. It was were represented in the fifth to the eighth parliaments of the Province of Canada.
The County of York, and its successor York Region, as the entity initially surrounding and later abutting the fast growing City of Toronto, had over the years saw both its jurisdictional boundary and the electoral boundary of its districts shift in response to the rapid growth of population in Toronto and its surrounding suburbs. Many of the changes could also be attributed to the many piecemeal annexations by not just the City of Toronto but other municipal entities as they grew from villages into major population centres, though they do not explain all the wild fluctuation of its boundary or explain why "North" was used to describe its territory in some period. Except for once instances, it have however kept its territory north of what is now the City of Toronto.
In 1882, the riding was redefined to consist of the townships of King, East Gwillimbury, West Gwillimbury, North Gwillimbury and Georgina, and the villages of Holland Landing, Bradford and Aurora.
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York North
York North was a federal riding in Ontario, Canada, represented in the House of Commons of Canada in all thirty-seven parliaments from Confederation in 1867 until 2004. Its elimination in 2004 left Simcoe North as the only federal electoral district in Ontario to have been in continual existence since Canadian Confederation. Remarkably, York North's provincial counterpart similarly maintained continuous representation in the Legislative Assembly of Ontario in all thirty-eight Ontario parliaments between Confederation and 2007, and was the only provincial district to have maintained its continual existence after 1999.
York North was abolished by the 2003 redistribution process, and ceased to be in existence upon the dissolution of the 37th Parliament in May 2004. Its territory was redistributed to the new ridings of Newmarket—Aurora, Oak Ridges—Markham (only a small portion), and to the resurrected York—Simcoe (the vast rural portion), the riding previously replaced by York North in 1996. Its provincial counterpart was similarly abolished upon the dissolution of the 38th Ontario Parliament in June 2007.
The electoral district held a unique distinction for having two candidates from a single election declared elected, seated in parliament and unseated by court ruling before the term was over. Prior to the Supreme Court of Canada's February 2026 decision that invalidated the 1-vote election victory in Terreborne in the 2025 federal election, the ordeal stemming from York North's election in 1988 was the most recent federal contest to have been overturned for reasons other than a recount.
It was also among a small group of electoral districts that had been represented by a sitting prime minister, and even more still it is among just a small handful that had dealt its prime ministerial MP a local defeat.
While its final incarnation consisted mostly of the more rural area that lied actually in the northern portion of York Region, York North covered an collection of communities in the southern end of the region that are now commonly considered northern suburbs of the city of Toronto through much of the later half of the twenty century, such as Vaughan, Richmond Hill, Woodbridge, Stouffville and Markham. Its territory even reached into the modern City of Toronto for two periods, with a portion of the former township of North York being part of the riding in four general elections.
At Canadian Confederation, the British North America Act, 1867 specified the eight-two electoral districts to be contested for electing the first group of legislator to both the House of Commons and the provincial legislature. By virtue of the size of its population, the County of York was allocated three seats, one of four counties to have the right to elected three members. Its original boundary was however not defined by the BNA, which simply prescribed that the County of York 's three existing electoral districts from the pre-confederation colonial legislature, the Legislative Assembly of the Province of Canada, would continue. The three York electoral districts were previously defined in 1853 (which actually removed one of York's four ridings to create the new district of Peel), with York North covering the Township of King, Whitchurch, Georgina, East Gwillimbury and North Gwillimbury and the associated villages of Aurora, Newmarket and Holland Landing. It was were represented in the fifth to the eighth parliaments of the Province of Canada.
The County of York, and its successor York Region, as the entity initially surrounding and later abutting the fast growing City of Toronto, had over the years saw both its jurisdictional boundary and the electoral boundary of its districts shift in response to the rapid growth of population in Toronto and its surrounding suburbs. Many of the changes could also be attributed to the many piecemeal annexations by not just the City of Toronto but other municipal entities as they grew from villages into major population centres, though they do not explain all the wild fluctuation of its boundary or explain why "North" was used to describe its territory in some period. Except for once instances, it have however kept its territory north of what is now the City of Toronto.
In 1882, the riding was redefined to consist of the townships of King, East Gwillimbury, West Gwillimbury, North Gwillimbury and Georgina, and the villages of Holland Landing, Bradford and Aurora.
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